no code implementations • 11 Feb 2024 • Yihong Tang, Zhaokai Wang, Ao Qu, Yihao Yan, Kebing Hou, Dingyi Zhuang, Xiaotong Guo, Jinhua Zhao, Zhan Zhao, Wei Ma
In this paper, we for the first time propose the task of Open-domain Urban Itinerary Planning (OUIP) for citywalk, which directly generates itineraries based on users' requests described in natural language.
no code implementations • 29 Nov 2023 • Yuebing Liang, Yichao Liu, Xiaohan Wang, Zhan Zhao
Accurate human mobility prediction for public events is thus crucial for event planning as well as traffic or crowd management.
no code implementations • 20 Mar 2023 • Yuebing Liang, Fangyi Ding, Guan Huang, Zhan Zhao
For station-based BSSs, this means planning new stations based on existing ones over time, which requires prediction of the number of trips generated by these new stations across the whole system.
no code implementations • 31 Dec 2022 • Jiali Zhou, Mingzhi Zhou, Jiangping Zhou, Zhan Zhao
This article adapts this model to investigate whether and how node, place, and mobility would be associated with the transmission risks and presences of the local COVID-19 cases in a city.
no code implementations • 16 Nov 2022 • Yuebing Liang, Guan Huang, Zhan Zhao
Existing methods for bike sharing demand prediction are mostly based on its own historical demand variation, essentially regarding it as a closed system and neglecting the interaction between different transportation modes.
1 code implementation • 14 Oct 2022 • Yihong Tang, Junlin He, Zhan Zhao
To address these issues, we present Hierarchical Graph Attention Recurrent Network (HGARN) for human mobility prediction.
1 code implementation • 18 Jun 2022 • Zhan Zhao, Yuebing Liang
Route choice modeling is a fundamental task in transportation planning and demand forecasting.
no code implementations • 18 Mar 2022 • Yuebing Liang, Guan Huang, Zhan Zhao
Bike sharing is an increasingly popular part of urban transportation systems.
no code implementations • 15 Dec 2021 • Yuebing Liang, Guan Huang, Zhan Zhao
Despite some recent efforts, existing approaches to multimodal demand prediction are generally not flexible enough to account for multiplex networks with diverse spatial units and heterogeneous spatiotemporal correlations across different modes.
no code implementations • 17 Sep 2021 • Yuebing Liang, Zhan Zhao, Lijun Sun
The results show that our proposed model outperforms existing deep learning models in all kinds of missing scenarios and the graph structure estimation technique contributes to the model performance.
no code implementations • 21 Jun 2021 • Yuebing Liang, Zhan Zhao
None of them is ideal, as the cell-based representation ignores the road network structures and the other two are less efficient in analyzing city-scale road networks.
no code implementations • 11 Jan 2021 • Baichuan Mo, Zhan Zhao, Haris N. Koutsopoulos, Jinhua Zhao
Individual mobility is driven by demand for activities with diverse spatiotemporal patterns, but existing methods for mobility prediction often overlook the underlying activity patterns.